package chapter4.Example30;

public class Example30 {
    public static void main(String[] args) throws DivideByMinusException {
        int result = divide(4, -2);
        System.out.println(result);
    }
    public static int divide (int x, int y) throws DivideByMinusException {
        if (y<0){
            throw new DivideByMinusException("除数是负数");
        }
        int result = x/y;
        return result;
    }
}
